vonderste.in
Home | Christian Vonderstein
Last scanned Aug 7, 2026, 2:00 AM · 13 views
Overall score
Great
Summary
Christian Vonderstein’s Personal Website. This website is hosted on netcup-AS - netcup GmbH, DE. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: robots.txt not found.
Christian Vonderstein’s Personal Website. Contains information about my projects and other stuff.
- Germany
- Hosted on netcup-AS - netcup GmbH, DE
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
2 issue(s) found
Performance
119 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 88
- SEO
- 90
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Christian Vonderstein’s Personal Website. Contains information about my projects and other stuff.
Meta tags
- Title
- Home | Christian Vonderstein
- Description
- Christian Vonderstein’s Personal Website. Contains information about my projects and other stuff.
- Canonical
- https://vonderste.in/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- netcup-AS - netcup GmbH, DE
- CDN provider
- —
- IP address
- 188.68.33.179
- ASN
- AS197540 (netcup-AS - netcup GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- vonderste.in
- Valid from
- Jun 12, 2026
- Valid to
- Sep 10, 2026
- Days until expiry
- 34
- SAN domains
- vonderste.in
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 0
Links
1 internal · 1 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
2 scripts · 2 stylesheets
JS / CSS size
50.2 KB · 144 KB
Page size
9.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://vonderste.in
- Final URL
- https://vonderste.in
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 119 ms
- HTML size
- 9.7 KB
- Redirect chain
- https://vonderste.in
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does vonderste.in use?
- We did not detect any specific technologies for vonderste.in in the latest scan.
- Is vonderste.in secure (HTTPS)?
- Yes. vonderste.in uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 10, 2026.
- Who hosts vonderste.in?
- vonderste.in is hosted on netcup-AS - netcup GmbH, DE.
- What is vonderste.in's SEO score?
- vonderste.in scored 90/100 for SEO in the latest analysis (excellent).
- What is vonderste.in's overall website score?
- vonderste.in has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has vonderste.in's score changed over time?
- vonderste.in's overall score has stayed steady at 88/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card